CN106677945B - The atomizer of oil spout and stage by stage fuel injecting method stage by stage - Google Patents
The atomizer of oil spout and stage by stage fuel injecting method stage by stage Download PDFInfo
- Publication number
- CN106677945B CN106677945B CN201610544441.7A CN201610544441A CN106677945B CN 106677945 B CN106677945 B CN 106677945B CN 201610544441 A CN201610544441 A CN 201610544441A CN 106677945 B CN106677945 B CN 106677945B
- Authority
- CN
- China
- Prior art keywords
- oil
- stage
- storage tank
- feed tank
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/042—The valves being provided with fuel passages
Abstract
A kind of the invention discloses atomizer of oil spout stage by stage and stage by stage fuel injecting method.The atomizer includes valve body and needle.Valve body is equipped with pressure chamber, fuel feed hole and oil injecting groove.Pressure chamber includes the first oil storage tank and the second oil storage tank, needle is equipped with the first oil-feed tank and the second oil-feed tank, and there is the first oil-feed tank diesel oil entrance and diesel oil to export, and the second oil-feed tank has upper surface and lower end surface, the upper surface is exported higher than diesel oil, which exports lower than diesel oil.Diesel oil in first oil storage tank can flow into the second oil storage tank through the first oil-feed tank, then flow into oil injecting groove from second oil storage tank.After the outlet of the first oil storage tank is closed, diesel oil still can flow into the second oil storage tank through the second oil-feed tank.
Description
Technical field
The present invention relates to diesel engine fuel injecting devices, more particularly to the atomizer of oil spout and stage by stage oil spout side stage by stage
Method.
Background technique
Multiple oil storage tanks are arranged in atomizer valve body to be disclosed by the prior art, referring to described in 200910033161.X.
Two oil storage tanks in the case are separated through pilot hole, and the diameter of pilot hole is consistent with needle.Oil storage tank is connected through oil-feed tank at two,
Diesel oil flows into the nozzle opening of lower section through the both ends open of oil-feed tank.The position of opening directly affects oil inlet speed, needs further
It improves.
Summary of the invention
A kind of the invention proposes atomizer of oil spout stage by stage and stage by stage fuel injecting method, improves the knot of oil-feed tank
Structure adjusts oil inlet speed.
The technical scheme of the present invention is realized as follows:
A kind of fuel injecting method stage by stage, which is characterized in that signal control valve needle is displaced outwardly, the diesel oil in the first oil storage tank
It is flowed into the second oil storage tank through the first oil-feed tank, then flows into oil injecting groove from second oil storage tank；Signal control valve needle continues to move to,
First oil-feed tank is closed；Signal control valve needle continues to move to, and diesel oil flows into the second oil storage tank through the second oil-feed tank, then from this
Two oil storage tanks flow into oil injecting groove.
A kind of atomizer of oil spout stage by stage, including valve body and needle, the valve body are equipped with pressure chamber, fuel feed hole and spray
Oil groove, the fuel feed hole are connected to the pressure chamber, which is connected to the oil injecting groove, and the needle is located at the pressure chamber
Interior, the needle is equipped with conical seal, which is pressed on the oil injecting groove, which is characterized in that the pressure chamber
Including the first oil storage tank and the second oil storage tank, the needle is equipped with the first oil-feed tank and the second oil-feed tank, first oil-feed tank
It is exported with diesel oil entrance and diesel oil, second oil-feed tank has upper surface and lower end surface, which is higher than the diesel oil
Outlet, the lower end surface are exported lower than the diesel oil.
In the atomizer of oil spout stage by stage of the invention, first oil storage tank is through a pilot hole and second oil storage
Slot connection, the length of the pilot hole are less than the length of second oil-feed tank.
In the atomizer of oil spout stage by stage of the invention, the difference in height of the upper surface and diesel oil outlet is less than institute
State the length of pilot hole.
In the atomizer of oil spout stage by stage of the invention, the upper surface is lower than the diesel oil entrance.
In the atomizer of oil spout stage by stage of the invention, first oil-feed tank is spiral shape.
In the atomizer of oil spout stage by stage of the invention, the axis of second oil-feed tank and the axis of the needle are flat
Row.
The atomizer and fuel injecting method stage by stage for implementing this oil spout stage by stage of the invention have below beneficial to effect
Fruit: the diesel oil in the first oil storage tank can flow into the second oil storage tank through the first oil-feed tank, then flow into oil spout from second oil storage tank
Slot.After the outlet of the first oil storage tank is closed, diesel oil still can flow into the second oil storage tank through the second oil-feed tank.Upper surface with it is described
Diesel oil outlet difference in height be less than the pilot hole length, when diesel oil outlet be directed to hole closing when, the second oil-feed tank it is upper
Pilot hole is not yet exposed in end face, and can generate moment at this time stops oil, is conducive to diesel oil full combustion in the combustion chamber.It is spiral
The flow direction of diesel oil can be changed in first oil-feed tank, and the second oil-feed tank can guarantee flow.
Detailed description of the invention
Fig. 1 is the schematic diagram of the atomizer of this oil spout stage by stage of the invention；
Fig. 2 is the schematic diagram of another state of Fig. 1；
Fig. 3 is the schematic diagram of another state of Fig. 1；
Fig. 4 is the partial view of Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
This atomizer with perturbations of the invention as shown in Figures 1 to 4, including valve body 100 and needle 200, institute
Valve body 100 is stated equipped with pressure chamber 110, fuel feed hole 120 and oil injecting groove 130.The fuel feed hole 120 is connected to the pressure chamber
110, which is connected to the oil injecting groove 130.The needle 200 is located in the pressure chamber 110, and the needle 200 is set
There is conical seal 210, which is pressed on the oil injecting groove 130.The side wall of the oil injecting groove 130 is equipped with multiple
Nozzle opening 131, diesel oil from fuel feed hole 120 enter oil storage tank, when conical seal 210 open after, diesel oil successively oil injecting groove 130,
Nozzle opening 131 enters combustion chamber.
Such as Fig. 1,2, the pressure chamber 110 includes the first oil storage tank 111 and the second oil storage tank 112, and the needle 200 is equipped with
First oil-feed tank 220 and the second oil-feed tank 230, the first oil-feed tank 220 and the second oil-feed tank 230 are used to two oil storages of connection
Slot.First oil-feed tank 220 is spiral shape, and the flow direction of diesel oil can be changed in spiral first oil-feed tank 220.Described first into
Oil groove 220 has diesel oil entrance 221 and diesel oil outlet 222.The axis of the axis of second oil-feed tank 230 and the needle 200
Line is parallel, and the second oil-feed tank 230 has larger cross-section, it is ensured that flow.Second oil-feed tank 230 has 231 He of upper surface
Lower end surface 232, the upper surface 231 are higher than diesel oil outlet 222, and the lower end surface 232 is lower than diesel oil outlet 222.First
Diesel oil in oil storage tank 111 can flow into the second oil storage tank 112 through the first oil-feed tank 220, then flow into from second oil storage tank 112
Nozzle opening 131.After the outlet of the first oil storage tank 111 is closed, diesel oil still can flow into the second oil storage tank through the second oil-feed tank 230
112.First oil storage tank 111 is connect through pilot hole 113 with second oil storage tank 112, and the length of the pilot hole 113 is less than
The length of second oil-feed tank 230.The difference in height of the upper surface 231 and diesel oil outlet 222 is less than the pilot hole
113 length.The upper surface 231 is lower than the diesel oil entrance 221.The difference in height of upper surface 231 and diesel oil outlet 222
Less than the length of the pilot hole 113, when diesel oil outlet 222, which is directed to hole 113, to be closed, the upper surface of the second oil-feed tank 230
231 not yet expose pilot hole 113, and can generate moment at this time stops oil, is conducive to diesel oil full combustion in the combustion chamber.
Atomizer of the invention further includes multiple disturbing rods 300, and the side wall of oil injecting groove 130 is equipped with multiple mounting holes 132, peace
Fill the coaxial with corresponding nozzle opening 131 of hole 132.The disturbing rod 300 has mounting portion 310 and disturbance unit 320, the installation
Portion 310 is fixed in the mounting hole 132, and the disturbance unit 320 protrudes into the nozzle opening 131.The length of the disturbing rod 300
Degree is less than the diameter of the oil injecting groove 130.Diesel oil pushes disturbing rod 300 to vibrate after entering oil injecting groove 130, changes nozzle opening 131
Cross sectional shape, be conducive to diesel oil and form turbulent flow, improve fuel economy.The disturbance unit 320 has an arcwall face 321, should
Arcwall face 321 is conducive to diesel oil and sufficiently connects with air lower than nozzle opening 131 so that diesel oil section after at this gradually increases
Touching.In addition, the mounting portion 310 has a locating flange 311, which is located at 132 outside of mounting hole.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of atomizer of oil spout stage by stage, including valve body and needle, the valve body are equipped with pressure chamber, fuel feed hole and oil spout
Slot, the fuel feed hole are connected to the pressure chamber, which is connected to the oil injecting groove, and the needle is located at the pressure chamber
Interior, the needle is equipped with conical seal, which is pressed on the oil injecting groove, which is characterized in that the pressure chamber
Including the first oil storage tank and the second oil storage tank, the needle is equipped with the first oil-feed tank and the second oil-feed tank, first oil-feed tank
It is exported with diesel oil entrance and diesel oil, second oil-feed tank has upper surface and lower end surface, which is higher than the diesel oil
Outlet, the lower end surface are exported lower than the diesel oil；First oil storage tank is connect through a pilot hole with second oil storage tank, should
The length of pilot hole is less than the length of second oil-feed tank；The difference in height of the upper surface and diesel oil outlet is less than described
The length of pilot hole；The upper surface is lower than the diesel oil entrance；First oil-feed tank is spiral shape；Second oil-feed tank
Axis it is parallel with the axis of the needle.
2. a kind of fuel injecting method stage by stage according to claim 1, which is characterized in that signal control valve needle is displaced outwardly,
Diesel oil in first oil storage tank flows into the second oil storage tank through the first oil-feed tank, then flows into oil injecting groove from second oil storage tank；Letter
Number control needle continue to move to, the first oil-feed tank is closed；Signal control valve needle continues to move to, and diesel oil is flowed into through the second oil-feed tank
Second oil storage tank, then oil injecting groove is flowed into from second oil storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610544441.7A CN106677945B (en) | 2016-07-12 | 2016-07-12 | The atomizer of oil spout and stage by stage fuel injecting method stage by stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610544441.7A CN106677945B (en) | 2016-07-12 | 2016-07-12 | The atomizer of oil spout and stage by stage fuel injecting method stage by stage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106677945A CN106677945A (en) | 2017-05-17 |
| CN106677945B true CN106677945B (en) | 2019-07-05 |
Family
ID=58839854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610544441.7A Active CN106677945B (en) | 2016-07-12 | 2016-07-12 | The atomizer of oil spout and stage by stage fuel injecting method stage by stage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106677945B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050040936A (en) * | 2002-09-06 | 2005-05-03 | 로베르트 보쉬 게엠베하 | Injector, especially a commom rail injector controlled by a servo valve, for injecting fuel into the combustion chambers of internal combustion engines |
| JP2009041508A (en) * | 2007-08-10 | 2009-02-26 | Denso Corp | Fuel injection nozzle |
| KR20120009317A (en) * | 2010-07-23 | 2012-02-01 | 현대중공업 주식회사 | Dual fuel injection valve |
| CN102926904A (en) * | 2012-11-02 | 2013-02-13 | 江苏大学 | Elongated oil nozzle for small bore swirl chamber diesel engine |
| CN203067143U (en) * | 2012-11-02 | 2013-07-17 | 江苏大学 | Lengthened type oil nozzle for small-cylinder-diameter swirl chamber type diesel engine |
| CN203978688U (en) * | 2014-05-16 | 2014-12-03 | 江苏大学 | Removable pressure cell-type oil nozzle |
| CN206054156U (en) * | 2016-07-12 | 2017-03-29 | 江西汇尔油泵油嘴有限公司 | The atomizer of the double oil storage tanks of band |
-
2016
- 2016-07-12 CN CN201610544441.7A patent/CN106677945B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050040936A (en) * | 2002-09-06 | 2005-05-03 | 로베르트 보쉬 게엠베하 | Injector, especially a commom rail injector controlled by a servo valve, for injecting fuel into the combustion chambers of internal combustion engines |
| JP2009041508A (en) * | 2007-08-10 | 2009-02-26 | Denso Corp | Fuel injection nozzle |
| KR20120009317A (en) * | 2010-07-23 | 2012-02-01 | 현대중공업 주식회사 | Dual fuel injection valve |
| CN102926904A (en) * | 2012-11-02 | 2013-02-13 | 江苏大学 | Elongated oil nozzle for small bore swirl chamber diesel engine |
| CN203067143U (en) * | 2012-11-02 | 2013-07-17 | 江苏大学 | Lengthened type oil nozzle for small-cylinder-diameter swirl chamber type diesel engine |
| CN203978688U (en) * | 2014-05-16 | 2014-12-03 | 江苏大学 | Removable pressure cell-type oil nozzle |
| CN206054156U (en) * | 2016-07-12 | 2017-03-29 | 江西汇尔油泵油嘴有限公司 | The atomizer of the double oil storage tanks of band |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106677945A (en) | 2017-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110529316A (en) | A kind of fuel injection valve and engine | |
| CN103175219A (en) | Venturi tube device used for head portion of chemical regenerative cycle combustor | |
| CN106677945B (en) | The atomizer of oil spout and stage by stage fuel injecting method stage by stage | |
| CN204263932U (en) | Oil filling pipe for automobiles assembly | |
| CN205277826U (en) | Oil content bucket, compressor and air conditioning system | |
| CN104612875A (en) | Novel high flow injector nozzle matching parts of common rail injector | |
| CN206054156U (en) | The atomizer of the double oil storage tanks of band | |
| CN204494932U (en) | Micron order ice pelleting device | |
| CN102072684A (en) | Refrigerant distributing device and heat exchanger with same | |
| CN204921094U (en) | Crankcase ventilation system oil -gas separation separator assembly | |
| CN203784403U (en) | Flow control valve | |
| CN104654695A (en) | Micron-sized ice particle preparation device | |
| CN205823519U (en) | Atomizer with perturbations | |
| CN204062040U (en) | A kind of high-pressure air reduction valve | |
| CN106404405A (en) | Apparatus for injecting tail gas and inflow hot air in vacuum cabin of ramjet | |
| CN205823521U (en) | Atomizer with flow-guiding structure | |
| CN106150820A (en) | The method of disturbance diesel oil and atomizer | |
| CN102773191B (en) | Piston-type gas explosion fountain device | |
| CN208294599U (en) | A kind of gas and oil separating plant and internal combustion engine | |
| CN202778818U (en) | Piston type gas-explosion fountain device | |
| CN203190405U (en) | Low-pressure fuel oil spray nozzle | |
| CN109808902A (en) | A kind of method for arranging of aircraft fuel oil diffuser and pressure-regulating device | |
| CN206781529U (en) | Oil filling pipe for automobiles | |
| CN204034432U (en) | Gas-liquid separation device | |
| CN109909090A (en) | A kind of hyperbaric environment list drop generating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |